On the Piecewise Continuous Control of Methane Fermentation Processes

A. Chamroo, I. Simeonov, C. Vasseur, N. Christov

Abstract

The paper deals with a new approach for computer-based control of a methane fermentation process in stirred tank bioreactors. The process is described by a non-linear mathematical model based on one-stage reaction scheme. The process control is realized using a piecewise continuous regulator which enables tracking of a variable set point trajectory and overperforms the existing anaerobic digestion control schemes. Computer simulation examples illustrate the performance of the proposed approach.

Keywords

Anaerobic digestion, Non-linear systems, Piecewise continuous control

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